| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.02 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 964.42 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 964.42 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1069.58 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1069.58 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 964.03 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 964.03 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.14 | USD | 20250914 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 964.53 | USD | 20250913 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 964.53 | USD | 20250913 |